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If this service is stopped, diagnostics will no longer function. If this service is stopped, any diagnostics that depend on it will no longer function. Disabled Local System. Distributed Transaction Coordinator Coordinates transactions that span multiple resource managers, such as databases, message queues, and file systems. If this service is stopped, these transactions will fail. Manual Network Service. If the service is stopped, DNS names will continue to be resolved.

However, the results of DNS name queries will not be cached and the computer's name will not be registered. If the service is disabled, any services that explicitly depend on it will fail to start. If this service is stopped or disabled, applications will be unable to access encrypted files.

EAP also provides application programming interfaces APIs that are used by network access clients, including wireless and VPN clients, during the authentication process. If you disable this service, this computer is prevented from accessing networks that require EAP authentication.

Fax Enables you to send and receive faxes, utilizing fax resources available on this computer or on the network. When this service is unavailable, network services using FD and relying on these discovery protocols will be unable to find network devices or resources. Function Discovery Resource Publication Publishes this computer and resources attached to this computer so they can be discovered over the network. If this service is stopped, network resources will no longer be published and they will not be discovered by other computers on the network.

If Google Updater Service is disabled or stopped, your Google software will not be kept up to date, meaning security vulnerabilities that may arise cannot be fixed and features may not work.

Google Update Service gupdate Keeps your Google software up to date. If this service is disabled or stopped, your Google software will not be kept up to date, meaning security vulnerabilities that may arise cannot be fixed and features may not work.

This service uninstalls itself when there is no Google software using it. Google Update Service gupdatem Keeps your Google software up to date. Group Policy Client The service is responsible for applying settings configured by administrators for the computer and users through the Group Policy component. If the service is stopped or disabled, the settings will not be applied and applications and components will not be manageable through Group Policy. Any components or applications that depend on the Group Policy component might not be functional if the service is stopped or disabled.

Enforcement technologies that use X. HomeGroup Listener Makes local computer changes associated with configuration and maintenance of the homegroup-joined computer. If this service is stopped or disabled, your computer will not work properly in a homegroup and your homegroup might not work properly.

It is recommended that you keep this service running. HomeGroup Provider Performs networking tasks associated with configuration and maintenance of homegroups. If this service is stopped or disabled, your computer will be unable to detect other homegroups and your homegroup might not work properly. Human Interface Device Access Enables generic input access to Human Interface Devices HID , which activates and maintains the use of predefined hot buttons on keyboards, remote controls, and other multimedia devices.

If this service is stopped, hot buttons controlled by this service will no longer function. These keying modules are used for authentication and key exchange in Internet Protocol security IPsec.

Intel R Rapid Storage Technology Provides storage event notification and manages communication between the storage driver and user space applications. Intel R Sample Collector Collects samples that are used to measure system performance, to monitor running processes, and to detect DLL changes.

Interactive Services Detection Enables user notification of user input for interactive services, which enables access to dialogs created by interactive services when they appear. If this service is stopped, notifications of new interactive service dialogs will no longer function and there might not be access to interactive service dialogs. If this service is disabled, both notifications of and access to new interactive service dialogs will no longer function. If this service is stopped, the computer will not have the enhanced connectivity benefits that these technologies offer.

IPsec Policy Agent Internet Protocol security IPsec supports network-level peer authentication, data origin authentication, data integrity, data confidentiality encryption , and replay protection. This service enforces IPsec policies created through the IP Security Policies snap-in or the command-line tool "netsh ipsec". If you stop this service, you may experience network connectivity issues if your policy requires that connections use IPsec.

Also,remote management of Windows Firewall is not available when this service is stopped. If it is not needed, it is recommended that this service remain stopped. If this service is disabled, any MSDTC transaction interacting with a Kernel Resource Manager will fail and any services that explicitly depend on it will fail to start. If this service is disabled, the Network Map will not function properly.

Disabled Local Service. If this service is stopped, this computer will not be able to login or access iSCSI targets. If this service is stopped, software-based volume shadow copies cannot be managed. Multimedia Class Scheduler Enables relative prioritization of work based on system-wide task priorities. This is intended mainly for multimedia applications. If this service is stopped, individual tasks resort to their default priority. Netlogon Maintains a secure channel between this computer and the domain controller for authenticating users and services.

If this service is stopped, the computer may not authenticate users and services and the domain controller cannot register DNS records. Information collected by NAP agent is used to make sure that the client computer has the required software and settings. If a client computer is not compliant with health policy, it can be provided with restricted network access until its configuration is updated. Depending on the configuration of health policy, client computers might be automatically updated so that users quickly regain full network access without having to manually update their computer.

Network Connections Manages objects in the Network and Dial-Up Connections folder, in which you can view both local area network and remote connections. Network List Service Identifies the networks to which the computer has connected, collects and stores properties for these networks, and notifies applications when these properties change. Started Manual Local Service.

Network Location Awareness Collects and stores configuration information for the network and notifies programs when this information is modified.

If this service is stopped, configuration information might be unavailable. Network Store Interface Service This service delivers network notifications e. Stopping this service will cause loss of network connectivity. If this service is disabled, any other services that explicitly depend on this service will fail to start.

Office Source Engine Saves installation files used for updates and repairs and is required for the downloading of Setup updates and Watson error reports. It is provided for backward compatibility only. If disabled, some peer-to-peer and collaborative applications, such as Remote Assistance, may not function. If disabled, some applications, such as HomeGroup, may not function.

If this service is stopped, only local users and bit processes will be able to query performance counters provided by bit DLLs. If this service is stopped, performance information will not be collected. Plug and Play Enables a computer to recognize and adapt to hardware changes with little or no user input. Stopping or disabling this service will result in system instability. All pnpx based scenarios will stop functioning.

Configuration is managed via the netsh context 'p2p pnrp peer' Manual Local Service. Portable Device Enumerator Service Enforces group policy for removable mass-storage devices. Enables applications such as Windows Media Player and Image Import Wizard to transfer and synchronize content using removable mass-storage devices. Power Manages power policy and power policy notification delivery.

Problem Reports and Solutions Control Panel Support This service provides support for viewing, sending and deletion of system-level problem reports for the Problem Reports and Solutions control panel. PCA monitors programs installed and run by the user and detects known compatibility problems. To log disk activity and check it later, use Process Monitor — one of the awesome SysInternals tools Windows geeks love so much.

You can choose to leave Process Monitor running in the background while you step away from your computer. Process Monitor captures a variety of events , but you can click the buttons on the toolbar to ensure it only shows file system events. Below, we can see the Windows search-indexing process was at work. Process Monitor is good because it provides a history. Even if a process stops using the disk entirely or terminates itself, you still view this information.

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